.select_scroll{
  font-size: 12px;
  width:100%;
  position:absolute;
}
.select_scroll span.cur_con{
  padding-left: 8px;
  display: block;
  position: relative;
}
.select_scroll span.fold:after{
  content: "";
  display: block;
  position: absolute;
  border-top: 10px solid #cccccc;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  top: 36%;
  right: 10px;
}
.select_scroll span.unfold:after{
  content: "";
  display: block;
  position: absolute;
  border-bottom: 10px solid #cccccc;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  top: 36%;
  right: 10px;
}
.select_scroll ul.opt{
  list-style-type: none;
  margin: 0;
  padding:0;
  position:relative;
  left: -1px;
  top:1px;
  height: 200px;
  overflow-y: scroll;
  overflow-x: hidden;
  border: 1px solid #cccccc;
  margin-top: -1px;
  display: none;
  background-color: white;
}
.select_scroll ul.opt li{
  border-bottom: 1px solid #eaeaea;
  border-top: none;
  padding-left: 8px;
  overflow: hidden;

}
.select_scroll ul.opt li:last-child{
  border-bottom:none;
}
.select_scroll ul.opt li:hover{
  background-color: #dddddd;
}